p.diff {pamfe} | R Documentation |
This is an internal function of package pamfe
. It enables the first-difference transformation of model matrices in a pam. Not normally called directly.
p.diff(x, cond)
x |
Model matrix of class |
cond |
Individual dimension of model matrix of class |
A model matrix after building first differences.
Peter Puetz ppuetz@uni-goettingen.de